gistfile1.js

class Dog
  constructor: (@name) ->
	growl: -> console.log '*growl*'

class Yorkie extends Dog
	constructor: (name, @tricks = []) ->
		super name #expose name to/from parent (class Dog)
	perform: (trick) -> console.log if trick in @tricks then "#{name} is doing #{trick}" else '*whining*'
	growl: (person) ->
		if person is @master
			console.log '*bark'
		else
			super()